alexa Acoustic Logging Methods in Fractured and Porous Formations
ISSN: 2381-8719

Journal of Geology & Geophysics
Open Access

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Research Article

Acoustic Logging Methods in Fractured and Porous Formations

Al-Obaidi SH* and Khalaf FH

Department of Petroleum Engineering, Hayat University, Sweden

*Corresponding Author:
Al-Obaidi SH
Department of Petroleum Engineering, Hayat University, Sweden
Tel: +964 750 977 1896
E-mail: [email protected]

Received date: May 06, 2017; Accepted date: June 01, 2017; Published date: June 08, 2017

Citation: Al-Obaidi SH, Khalaf FH (2017) Acoustic Logging Methods in Fractured and Porous Formations. J Geol Geophys 6:293. doi: 10.4172/2381-8719.1000293

Copyright: © 2017 Al-Obaidi SH. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Formation fractures have significance effect on the permeability of rocks in oil and gas reservoirs. In real conditions, the opening of vertical fractures exceeds the opening of horizontal fractures and the permeability of reservoirs in conditions of horizontal wells is higher than in vertical conditions. In the sonic log longitudinal waves, unlike the transverse waves, the attenuation rate strongly depends on the wave path direction. It is shown that the mechanism of the attenuation of sound waves in porous rocks is represented by the scattering of "soft" microheterogeneous inclusions. For reservoir rocks with porosity (φ) of (10-20)%, the attenuation decrement is several times higher than the decrement of the other mechanisms.

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